import cv2

table = cv2.imread("../asset/table.png")
dst = cv2.Laplacian(table, cv2.CV_64F, ksize=3)

while True:
    cv2.imshow('dst', dst)
    cv2.imshow('table', table)
    key = cv2.waitKey(10)
    if key & 0xFF == ord('q'):
        break
cv2.destroyAllWindows()
